Prospective comparison of direct immunofluorescence and conventional staining methods for detection of Giardia and Cryptosporidium spp. in human fecal specimens.
AUTOR(ES)
Alles, A J
RESUMO
In a prospective comparative study, 2,696 consecutive fresh stool specimens over the course of 1 year were examined for Giardia lamblia and Cryptosporidium parvum by using a direct immunofluorescent-monoclonal antibody stain (for unspun specimens) and conventional staining methods (chlorazol black E for Giardia cysts and modified Kinyoun acid-fast for Cryptosporidium oocysts). The direct immunofluorescent-monoclonal antibody method resulted in a significantly increased detection rate for both giardia (118 versus 79 specimens, 49.4%; P = 0.006) and cryptosporidia (39 versus 23 specimens, 69.6%; P = 0.055).
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=228230Documentos Relacionados
- Evaluation of nine immunoassay kits (enzyme immunoassay and direct fluorescence) for detection of Giardia lamblia and Cryptosporidium parvum in human fecal specimens.
- Evaluation of a new monoclonal antibody combination reagent for direct fluorescence detection of Giardia cysts and Cryptosporidium oocysts in human fecal specimens.
- Comparison of conventional stool concentration and preserved-smear methods with Merifluor Cryptosporidium/Giardia Direct Immunofluorescence Assay and ProSpecT Giardia EZ Microplate Assay for detection of Giardia lamblia.
- Comparison of conventional staining methods and monoclonal antibody-based methods for Cryptosporidium oocyst detection.
- Evaluation of an enzyme-linked immunosorbent assay for detection of Cryptosporidium spp. in stool specimens.